1/*
2 * quarterpel DSP functions
3 *
4 * This file is part of FFmpeg.
5 *
6 * FFmpeg is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
10 *
11 * FFmpeg is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with FFmpeg; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19 */
20
21/**
22 * @file
23 * quarterpel DSP functions
24 */
25
26#ifndef AVCODEC_QPELDSP_H
27#define AVCODEC_QPELDSP_H
28
29#include <stddef.h>
30#include <stdint.h>
31
32void ff_put_pixels8x8_c(uint8_t *dst, uint8_t *src, ptrdiff_t stride);
33void ff_avg_pixels8x8_c(uint8_t *dst, uint8_t *src, ptrdiff_t stride);
34void ff_put_pixels16x16_c(uint8_t *dst, uint8_t *src, ptrdiff_t stride);
35void ff_avg_pixels16x16_c(uint8_t *dst, uint8_t *src, ptrdiff_t stride);
36
37void ff_put_pixels8_l2_8(uint8_t *dst, const uint8_t *src1, const uint8_t *src2,
38                         int dst_stride, int src_stride1, int src_stride2,
39                         int h);
40
41#define DEF_OLD_QPEL(name)                                                     \
42    void ff_put_        ## name(uint8_t *dst /* align width (8 or 16) */,      \
43                                uint8_t *src /* align 1 */, ptrdiff_t stride); \
44    void ff_put_no_rnd_ ## name(uint8_t *dst /* align width (8 or 16) */,      \
45                                uint8_t *src /* align 1 */, ptrdiff_t stride); \
46    void ff_avg_        ## name(uint8_t *dst /* align width (8 or 16) */,      \
47                                uint8_t *src /* align 1 */, ptrdiff_t stride);
48
49DEF_OLD_QPEL(qpel16_mc11_old_c)
50DEF_OLD_QPEL(qpel16_mc31_old_c)
51DEF_OLD_QPEL(qpel16_mc12_old_c)
52DEF_OLD_QPEL(qpel16_mc32_old_c)
53DEF_OLD_QPEL(qpel16_mc13_old_c)
54DEF_OLD_QPEL(qpel16_mc33_old_c)
55DEF_OLD_QPEL(qpel8_mc11_old_c)
56DEF_OLD_QPEL(qpel8_mc31_old_c)
57DEF_OLD_QPEL(qpel8_mc12_old_c)
58DEF_OLD_QPEL(qpel8_mc32_old_c)
59DEF_OLD_QPEL(qpel8_mc13_old_c)
60DEF_OLD_QPEL(qpel8_mc33_old_c)
61
62typedef void (*qpel_mc_func)(uint8_t *dst /* align width (8 or 16) */,
63                             uint8_t *src /* align 1 */, ptrdiff_t stride);
64
65/**
66 * quarterpel DSP context
67 */
68typedef struct QpelDSPContext {
69    qpel_mc_func put_qpel_pixels_tab[2][16];
70    qpel_mc_func avg_qpel_pixels_tab[2][16];
71    qpel_mc_func put_no_rnd_qpel_pixels_tab[2][16];
72} QpelDSPContext;
73
74void ff_qpeldsp_init(QpelDSPContext *c);
75
76void ff_qpeldsp_init_x86(QpelDSPContext *c);
77
78#endif /* AVCODEC_QPELDSP_H */
79